New in box. The Philips Audible Doorstop Alarm is a battery-operated home security sensor designed to alert you when someone tries to enter your home. It emits a loud 120 dB sound when pressure is applied to the doorstop, deterring potential intruders. The device is white in color and features a model number of LRM3220D. It is a unit type product and comes with no batteries included. The product is manufactured in China and is a great addition to any home surveillance system.
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